This term is found in the Prohemium of Piero della Francesca's treatise on the five "platonic" solids, De quinque corporibus regularibus, dedicated to Prince Guidobaldo: "qui non minori artis studio/ingenio/solertia/& industria fuerunt."

Moreover, but two months before had gone from London Captain Hare in the bark Minion, for Brazil, and a company of adventurers with him, with Sheffield hardware, and “Devonshire and Northern kersies,” hollands and “Manchester cottons,” for there was a great opening for English goods by the help of one John Whithall, who had married a Spanish heiress, and had an ingenio and slaves in

Vita jugata meo non facit ingenio: me juvat, &c. many married men exclaim at the miseries of it, and rail at wives downright; I never tried, but as I hear some of them say, [5762] Mare haud mare, vos mare acerrimum, an Irish Sea is not so turbulent and raging as a litigious wife.